Home / 9,856.82-14,787.36-2,836.79

Finding the Fourth Proportional to 9,856.82, 14,787.36 and 2,836.79

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Solution

The fourth proportional to 9,856.82, 14,787.36 and 2,836.79 is: 4,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856.82 : 14,787.36 = 2,836.79 : x
  2. Step 2: Convert to fraction form
    9,856.82/14,787.36 = 2,836.79/x
  3. Step 3: Cross multiply
    9,856.82x = 14,787.36 × 2,836.79
  4. Step 4: Simplify right side
    9,856.82x = 41,948,616.49
  5. Step 5: Solve for x
    x = 41,948,616.49/9,856.82
  6. Step 6: Final answer
    x = 4,255.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.